:root{
  --brand:#1d4ed8;
  --brand-dark:#1e40af;
  --brand2:#34d399;
  --ink:#17202b;
  --muted:#5d6b7a;
  --bg:#f6f8fb;
  --surface:#ffffff;
  --surface2:#eef3fa;
  --line:rgba(23,32,43,.13);
  --line-soft:rgba(23,32,43,.06);
  --radius:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:1.05rem;
  line-height:1.6;
}
.wrap{max-width:960px;margin:0 auto;padding:0 1.25rem}
a{color:var(--brand)}
[hidden]{display:none!important}
.hidden{display:none!important}

/* header */
.topbar{background:var(--brand);color:#fff}
.topbar-in{display:flex;justify-content:space-between;align-items:center;padding:.9rem 1.25rem}
.brandmark{font-weight:750;font-size:1.25rem;letter-spacing:-.02em}
.brandmark span{color:var(--brand2)}
.toplink{color:#fff;text-decoration:none;font-size:.92rem;opacity:.92}
.toplink:hover{text-decoration:underline;opacity:1}

/* hero */
.hero{padding:2.6rem 0 1.4rem}
.hero h1{
  font-size:clamp(2rem,4.6vw,3.1rem);
  line-height:1.12;
  letter-spacing:-.03em;
  font-weight:750;
  margin:0 0 1rem;
  text-wrap:balance;
}
.lede{font-size:1.14rem;color:var(--ink);max-width:46rem;text-wrap:pretty;margin:0}

/* cards */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:1.6rem clamp(1.1rem,3vw,2rem);
  margin:1.4rem 0;
  box-shadow:0 1px 2px rgba(23,32,43,.05),0 8px 24px rgba(23,32,43,.05);
}
.card h2{font-size:clamp(1.3rem,2.4vw,1.6rem);letter-spacing:-.02em;margin:.2rem 0 .6rem;text-wrap:balance}
.sub{color:var(--muted);font-size:.98rem;margin:0 0 1rem;text-wrap:pretty}
.hint{color:var(--muted);font-size:.94rem;margin:1rem 0 0}
.form-msg{color:#b91c1c;font-size:.95rem;margin:.8rem 0 0}
.calc-row{margin-top:1.4rem}

/* buttons */
.btn{
  appearance:none;font:inherit;font-size:.95rem;font-weight:650;cursor:pointer;
  padding:.6rem 1.15rem;border-radius:999px;border:1px solid var(--brand);
  background:#fff;color:var(--brand);
}
.btn:hover{background:color-mix(in srgb,var(--brand) 7%,#fff)}
.btn.primary{background:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-dark)}
.btn:disabled{opacity:.55;cursor:wait}

/* picker form */
.fields-grid{display:grid;grid-template-columns:1fr 1fr;gap:.9rem 1.2rem}
@media (max-width:720px){.fields-grid{grid-template-columns:1fr}}
.field{display:block}
.field-label{display:block;font-weight:650;font-size:.93rem;margin-bottom:.4rem}
.field input,.field select{
  width:100%;font:inherit;font-size:1rem;color:var(--ink);
  padding:.6rem .8rem;border:1px solid var(--line);border-radius:10px;background:#fff;
}
.field .flt{margin-bottom:.45rem;font-size:.95rem;padding:.5rem .8rem}
.field input:focus,.field select:focus{outline:2px solid var(--brand);outline-offset:1px;border-color:var(--brand)}

/* result */
.result-route{
  font-size:1.35rem;font-weight:750;letter-spacing:-.015em;margin:.1rem 0 .4rem;
}
.result-h{font-size:1.12rem;font-weight:750;letter-spacing:-.01em;margin:1.6rem 0 .55rem}
.result-h:first-of-type{margin-top:1rem}
.result-sub{color:var(--muted);font-size:.94rem;margin:0 0 .7rem;text-wrap:pretty}

.pair-card{
  border:1px solid var(--line);border-left:6px solid var(--brand);
  border-radius:12px;padding:.9rem 1.1rem;background:var(--surface2);margin-bottom:.7rem;
  display:flex;flex-wrap:wrap;align-items:baseline;gap:.4rem 1rem;
}
.pair-card.na{border-left-color:var(--muted)}
.pair-names{font-weight:700;font-size:1.05rem}
.pair-pct{font-size:1.65rem;font-weight:800;letter-spacing:-.02em;color:var(--brand)}
.pair-card.na .pair-pct{font-size:1rem;font-weight:650;color:var(--muted)}
.pair-note{color:var(--muted);font-size:.92rem;flex-basis:100%}

.table-scroll{overflow-x:auto}
.data-table{border-collapse:collapse;width:100%;font-size:.95rem}
.data-table th,.data-table td{
  text-align:right;padding:.45rem .6rem;border-bottom:1px solid var(--line-soft);
  white-space:nowrap;font-variant-numeric:tabular-nums;
}
.data-table th:first-child,.data-table td:first-child{text-align:left}
.data-table thead th{color:var(--muted);font-size:.85rem;font-weight:650;border-bottom:1px solid var(--line)}
.data-table td.sym{font-weight:700}
.data-table td.absent{color:var(--muted)}

.exp-row{display:grid;grid-template-columns:4.2rem 1fr 4.6rem;gap:.7rem;align-items:center;margin-bottom:.45rem}
.exp-sym{font-weight:700}
.exp-bar{height:.65rem;background:var(--surface2);border-radius:99px;overflow:hidden}
.exp-fill{height:100%;background:linear-gradient(90deg,var(--brand),var(--brand2));border-radius:99px}
.exp-val{text-align:right;font-variant-numeric:tabular-nums;font-weight:650}

.ctx-card{
  border:1px solid var(--line);border-radius:12px;padding:1rem 1.15rem;margin-bottom:.7rem;
}
.ctx-head{display:flex;flex-wrap:wrap;gap:.3rem .8rem;align-items:baseline;margin-bottom:.35rem}
.ctx-ticker{font-size:1.15rem;font-weight:800;letter-spacing:-.01em}
.ctx-name{font-weight:600}
.ctx-cat{color:var(--muted);font-size:.9rem}
.ctx-facts{display:flex;flex-wrap:wrap;gap:.35rem 1.3rem;font-size:.95rem}
.ctx-facts b{font-variant-numeric:tabular-nums}
.fact-label{color:var(--muted);font-size:.86rem;font-weight:650;display:block}
.ctx-top{margin-top:.45rem;font-size:.94rem;color:var(--muted)}
.ctx-top b{color:var(--ink)}

.actions{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.1rem}
.copy-msg{color:var(--muted);font-size:.92rem;margin:.7rem 0 0;overflow-wrap:break-word}
.fineprint{color:var(--muted);font-size:.88rem;margin-top:1rem}

/* prose */
.prose ul{padding-left:1.2rem;margin:.4rem 0 1rem}
.prose li{margin-bottom:.55rem;text-wrap:pretty}
.prose p{text-wrap:pretty}

/* footer */
footer{border-top:1px solid var(--line);margin-top:2rem}
.foot-in{padding:1.4rem 1.25rem 2rem;color:var(--muted);font-size:.92rem}

/* email gate modal (PicConvert pattern) */
.pc-modal-backdrop{
  position:fixed;inset:0;background:rgba(10,25,54,.55);z-index:100;
  display:flex;align-items:center;justify-content:center;padding:1rem;
}
.pc-modal-backdrop[hidden]{display:none}
.pc-modal{
  background:var(--surface);color:var(--ink);border-radius:16px;max-width:430px;width:100%;
  padding:1.7rem 1.6rem 1.4rem;position:relative;box-shadow:0 24px 60px rgba(0,0,0,.3);
}
.pc-modal h2{margin:0 2rem .6rem 0;font-size:1.35rem;letter-spacing:-.02em}
.pc-modal p{margin:0 0 1rem;font-size:.98rem}
.pc-modal-close{
  position:absolute;top:.6rem;right:.8rem;border:0;background:transparent;
  font-size:1.6rem;line-height:1;cursor:pointer;color:var(--muted);
}
.pc-modal form{display:flex;gap:.55rem;flex-wrap:wrap}
.pc-modal input[type=email]{
  flex:1 1 200px;font:inherit;font-size:1rem;padding:.62rem .8rem;
  border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);
}
.pc-modal-msg{font-size:.92rem;margin:.7rem 0 0;min-height:1.2em}
.pc-modal-msg.err{color:#b91c1c}
.pc-modal-msg.ok{color:#15803d}
.pc-modal-note{color:var(--muted);font-size:.85rem;margin:.8rem 0 0}

@media (max-width:560px){
  .card{padding:1.2rem 1rem}
  .exp-row{grid-template-columns:3.6rem 1fr 4rem}
}

/* print: only the result card */
@media print{
  body{background:#fff;color:#000;font-size:11pt}
  .topbar,.hero,.card[aria-label="ETF picker"],.card.prose,footer,.pc-modal-backdrop,
  #result .actions,#result .fineprint,#result .copy-msg{display:none!important}
  .wrap{max-width:none;padding:0}
  .card{border:0;box-shadow:none;padding:0;margin:0}
  .pair-card,.ctx-card{break-inside:avoid}
  a{color:#000;text-decoration:none}
}

@media (prefers-color-scheme: dark){
  :root{
    --ink:#eef2f7;--muted:#9fb0c1;--bg:#0d1420;--surface:#16202f;--surface2:#1d2a3d;
    --line:rgba(255,255,255,.13);--line-soft:rgba(255,255,255,.07);
  }
  .field input,.field select,.pc-modal input[type=email]{background:#1d2a3d;color:var(--ink)}
  .btn{background:transparent}
  .btn:hover{background:color-mix(in srgb,var(--brand) 30%,transparent)}
  .exp-bar{background:#0d1420}
}